Ink cartridge



FIG. 1 is a bottom perspective view of an ink cartridge of the present disclosure;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a front view thereof.

The broken lines are for purposes of illustration only and form no part of the claimed design. 

The ornamental design for an ink cartridge, as shown and described. 